Experimental Study of the Low-Cycle Fatigue in Double-Walled Hollow Pipe Members

Table 3

Energy dissipation of each cycle of specimen displacement.

Displacement	Hysteretic energy consumption (kN·mm)
	DWHP-1	DWHP-2	DWHP-3
±6	48.49	45.29	32.96
±12	244.19	131.69	197.74
±18	444.58	201.09	332.2
±24	792.99	407.09	559.95
±30	1160.9	649.53	833.49
±36	1723.7	992.97	788.83
±42	2249.4	1279.5	754.16
±48	2921.8	1817.2	929.64
±54	3613.1	2305.3	1102.5
±60	4426.5	2659.4	1258.5